Sharp C-2890EES, Service Manual

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AK - 45
CHASSIS
Option 55. Speaker Setup
b7 b6 b5 b4 b3 b2 b1 b0
Speaker Setup (L/R, L/C/R, L/R/S, L/C/R/S) 0 0 0 0 0 0 0 0
Option 56. Audio Options Available Or Not
Attention: All bits on the Option 56 must be the “0” for MONO TV SETS
B7: Nicam = note 7
B6: ASD
= note 6
B5: VRS = note 5
B4: CRM = note 4
B3: … = x
B2: LBE = note 2
B1: Spa = note 1
B0: Avl = note 0
Note 7:
Nicam = Nicam available
0 = Nicam not available
1 = Nicam available
Note 6:
ASD = Auto Sound Detection available/not available
0 = Auto Sound Detection not available
1 = Auto Sound Detection available
Note 5:
VRS = Virtual Surround
0 = VRS not available
1 = VRS available
Note 4:
CRM = CARRIER MUTE OFF/ON
0 = Sound carrier mute is ON in the Stereo Sound IC
1 = Sound carrier mute is OFF in the Stereo Sound IC (i.e. option available)
Note 2:
LBE = LBE (Dynamic Bass)
0 = LBE not available
1 = LBE available
Note 1:
Spa = Spatial Effect available
0 = Spatial Effect not available
1 = Spatial Effect available
Note 0:
Avl = Automatic volume level available on the Menu
0 = Automatic volume level not available
1 = Automatic volume level available
Option 57. Stereo Threshold
B7: b7 = note 1 Remark:
B6: b6 = note 1
B5: b5 =
note 1 -Threshold for all FM A2 signals to switch from MONO to STEREO.
B4: b4 = note 1 -For first check after programme change half value is changed (0Ch) 19h/2
B3: b3 = note 1 -For switching from STEREO back to MONO: 19h/4 *3
B2: b2 = note 1
B1: b1 = note 1
B0: b0 = note 1